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Message-ID: <20230522122829.24945-1-harini.katakam@amd.com> Date: Mon, 22 May 2023 17:58:27 +0530 From: Harini Katakam <harini.katakam@....com> To: <andrew@...n.ch>, <hkallweit1@...il.com>, <linux@...linux.org.uk>, <davem@...emloft.net>, <kuba@...nel.org>, <edumazet@...gle.com>, <pabeni@...hat.com>, <vladimir.oltean@....com>, <wsa+renesas@...g-engineering.com>, <simon.horman@...igine.com> CC: <netdev@...r.kernel.org>, <linux-kernel@...r.kernel.org>, <harinikatakamlinux@...il.com>, <michal.simek@....com>, <harini.katakam@....com>, <radhey.shyam.pandey@....com> Subject: [PATCH net-next v4 0/2] Add support for VSC85xx DT RGMII delays Provide an option to change RGMII delay value via devicetree. v4: - Remove VSC8531_02 support. Existing code will identify VSC8531_01/02 and there is no unique functionality to be added for either version. - Correct type of rx/tx_delay to accept correct return value. - Added Andrew's tag to patch 1 Lore link for v3: https://lore.kernel.org/netdev/20230511120808.28646-1-harini.katakam@amd.com/ v3 changes: - Remove patch 2/3 from v2 as custom mscc properties dont need to be defined. rx-internal-delay-ps and tx-internal-delay-ps can be used. - Change RGMII delay precedence as advised by Vladimir: phy-mode rgmii rgmii-rxid/rgmii-id -------------------------------------------------------------------------------------------- rx-internal-delay-ps absent 0.2 ns 2 ns rx-internal-delay-ps present follow rx-internal-delay-ps follow rx-internal-delay-ps - Split VSC8531-02 and RGMII delay config into separate patches. - Correct vendor ID - Update commit description and subject everywhere to say RGMII delays instead of RGMII tuning. v2 changes: - Added patch to use a common vendor phy id match - Removed dt include header patch because delays should be specied in ps, not register values - Updated DT binding description and commit for optional delay tuning to be clearer on the precedence - Updated dt property name to include vendor instead of phy device name - Switch both VSC8531 and VSC8531-02 to use exact phy id match as they share the same model number - Ensure RCT - Improve optional property read Harini Katakam (2): phy: mscc: Use PHY_ID_MATCH_VENDOR to minimize PHY ID table phy: mscc: Add support for RGMII delay configuration drivers/net/phy/mscc/mscc.h | 3 ++ drivers/net/phy/mscc/mscc_main.c | 49 +++++++++++++++++++------------- 2 files changed, 32 insertions(+), 20 deletions(-) -- 2.17.1
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